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depot/third_party/copybara/patches/0001-Make-Mercurial-at-least-slightly-usable.patch

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From a01f7187143daf69a25885d342db40d47935103c Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <git@lukegb.com>
Date: Sat, 16 May 2020 13:55:09 +0100
Subject: [PATCH] Make Mercurial at least slightly usable.
---
.../com/google/copybara/hg/HgDestination.java | 28 +++++++++----------
java/com/google/copybara/hg/HgModule.java | 25 +++++++++++++++++
java/com/google/copybara/hg/HgRepository.java | 2 +-
.../google/copybara/util/CommandRunner.java | 2 +-
4 files changed, 40 insertions(+), 17 deletions(-)
diff --git a/java/com/google/copybara/hg/HgDestination.java b/java/com/google/copybara/hg/HgDestination.java
index d904781f..b60e4911 100644
--- a/java/com/google/copybara/hg/HgDestination.java
+++ b/java/com/google/copybara/hg/HgDestination.java
@@ -162,7 +162,7 @@ public class HgDestination implements Destination<HgRevision> {
@Override
public boolean supportsHistory() {
- throw new UnsupportedOperationException("Not implemented yet");
+ return true;
}
private HgRepository getRepository() throws RepoException {
@@ -216,7 +216,7 @@ public class HgDestination implements Destination<HgRevision> {
Path workDir, HgRepository localRepo)
throws RepoException, IOException {
// Create a temp archive of the remote repository to compute diff with
- Path tempArchivePath = generalOptions.getDirFactory().newTempDir("tempArchive");
+ Path tempArchivePath = Files.createTempDirectory(workDir.getParent(), "tempArchive");
localRepo.archive(tempArchivePath.toString());
// Find excluded files in the archive
@@ -238,24 +238,20 @@ public class HgDestination implements Destination<HgRevision> {
Operation diffOp = diff.getOperation();
if (diffOp.equals(Operation.ADD)) {
+ Path targetPath = localRepo.getHgDir().getParent().resolve(diff.getName());
+ Files.createDirectories(targetPath.getParent());
Files.copy(workDir.resolve(diff.getName()),
- localRepo.getHgDir().resolve(diff.getName()), StandardCopyOption.COPY_ATTRIBUTES);
- localRepo.hg(localRepo.getHgDir(), "add", diff.getName());
+ targetPath, StandardCopyOption.COPY_ATTRIBUTES, StandardCopyOption.REPLACE_EXISTING);
}
if (diffOp.equals(Operation.MODIFIED)) {
Files.copy(workDir.resolve(diff.getName()),
- localRepo.getHgDir().resolve(diff.getName()), StandardCopyOption.REPLACE_EXISTING);
+ localRepo.getHgDir().getParent().resolve(diff.getName()), StandardCopyOption.REPLACE_EXISTING);
}
if (diffOp.equals(Operation.DELETE)) {
- try {
- localRepo.hg(localRepo.getHgDir(), "remove", diff.getName());
- } catch (RepoException e) {
- // Ignore a .hg_archival file that is not in the workdir nor in the local repo.
- if (!e.getMessage().contains(".hg_archival.txt: No such file or directory")) {
- throw e;
- }
+ if (!diff.getName().equals(".hg_archival.txt")) {
+ Files.delete(localRepo.getHgDir().getParent().resolve(diff.getName()));
}
}
}
@@ -264,6 +260,8 @@ public class HgDestination implements Destination<HgRevision> {
} finally {
FileUtil.deleteRecursively(tempArchivePath);
}
+
+ localRepo.hg(localRepo.getHgDir().getParent(), "addremove");
}
/**
@@ -282,7 +280,7 @@ public class HgDestination implements Destination<HgRevision> {
localRepo.cleanUpdate(remoteFetch);
// Set the default path of the local repo to be the remote repo, so we can push to it
- Files.write(localRepo.getHgDir().resolve(".hg/hgrc"),
+ Files.write(localRepo.getHgDir().getParent().resolve(".hg/hgrc"),
String.format("[paths]\ndefault = %s\n", repoUrl).getBytes(StandardCharsets.UTF_8));
console.progress("Hg Destination: Computing diff");
@@ -293,12 +291,12 @@ public class HgDestination implements Destination<HgRevision> {
ChangeMessage msg = getChangeMessage(transformResult, ORIGIN_LABEL_SEPARATOR);
String date = transformResult.getTimestamp().format(DateTimeFormatter.RFC_1123_DATE_TIME);
- localRepo.hg(localRepo.getHgDir(), "commit", "--user",
+ localRepo.hg(localRepo.getHgDir().getParent(), "commit", "--user",
transformResult.getAuthor().toString(), "--date", date,
"-m", msg.toString());
console.progress(String.format("Hg Destination: Pushing to %s %s", repoUrl, remotePush));
- localRepo.hg(localRepo.getHgDir(), "push", "--rev", remotePush, repoUrl);
+ localRepo.hg(localRepo.getHgDir().getParent(), "push", "--rev", remotePush, repoUrl);
String tip = localRepo.identify("tip").getGlobalId();
diff --git a/java/com/google/copybara/hg/HgModule.java b/java/com/google/copybara/hg/HgModule.java
index d8a22f33..b1ca7ba2 100644
--- a/java/com/google/copybara/hg/HgModule.java
+++ b/java/com/google/copybara/hg/HgModule.java
@@ -19,6 +19,7 @@ package com.google.copybara.hg;
import static com.google.copybara.config.SkylarkUtil.checkNotEmpty;
import com.google.common.base.Preconditions;
+import com.google.copybara.GeneralOptions;
import com.google.copybara.Options;
import com.google.copybara.config.LabelsAwareModule;
import com.google.copybara.doc.annotations.UsesFlags;
@@ -73,4 +74,28 @@ public class HgModule implements LabelsAwareModule, StarlarkValue {
public HgOrigin origin(String url, String ref) throws EvalException {
return HgOrigin.newHgOrigin(options, checkNotEmpty(url, "url"), ref);
}
+
+ @StarlarkMethod(
+ name = "destination",
+ doc = "<b>EXPERIMENTAL:</b> Defines a standard Mercurial (Hg) destination.",
+ parameters = {
+ @Param(
+ name = "url",
+ type = String.class,
+ named = true,
+ doc = "Indicates the URL of the Hg repository"),
+ @Param(
+ name = "fetch",
+ type = String.class,
+ named = true,
+ doc = "XXX: ref to fetch?"),
+ @Param(
+ name = "push",
+ type = String.class,
+ named = true,
+ doc = "XXX: ref to push?")
+ })
+ public HgDestination destination(String url, String fetch, String push) throws EvalException {
+ return HgDestination.newHgDestination(url, fetch, push, options.get(GeneralOptions.class), options.get(HgOptions.class));
+ }
}
diff --git a/java/com/google/copybara/hg/HgRepository.java b/java/com/google/copybara/hg/HgRepository.java
index 414f22e7..40bc2663 100644
--- a/java/com/google/copybara/hg/HgRepository.java
+++ b/java/com/google/copybara/hg/HgRepository.java
@@ -141,7 +141,7 @@ public class HgRepository {
}
try {
- hg(hgDir, builder.build(), fetchTimeout);
+ hg(hgDir.getParent(), builder.build(), fetchTimeout);
} catch (RepoException e) {
if (INVALID_HG_REPOSITORY.matcher(e.getMessage()).find()){
throw new ValidationException("Repository not found: " + e.getMessage());
diff --git a/java/com/google/copybara/util/CommandRunner.java b/java/com/google/copybara/util/CommandRunner.java
index 14c12987..bf96b493 100644
--- a/java/com/google/copybara/util/CommandRunner.java
+++ b/java/com/google/copybara/util/CommandRunner.java
@@ -185,7 +185,7 @@ public final class CommandRunner {
String startMsg = ShellUtils.prettyPrintArgv(Arrays.asList(cmd.getCommandLineElements()));
startMsg = startMsg.length() > MAX_COMMAND_LENGTH
? startMsg.substring(0, MAX_COMMAND_LENGTH) + "..." : startMsg;
- String validStartMsg = "Executing [" + startMsg + "]";
+ String validStartMsg = "Executing [" + startMsg + "] in workdir [" + cmd.getWorkingDirectory() + "]";
logger.atInfo().log(validStartMsg);
if (verbose) {
System.err.println(validStartMsg);
--
2.26.2
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